Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of FIG. 1.

The dot-dash line showing of the display screen or portion thereof are for boundary and environmental purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 